112 ON ZOOLOGY. 



fear, and to the more encouraging one of hope 

 to great partialities, and to strong dislikes -to 

 jealousies, and to other angry feelings and in 

 short, to all the sensations which the excitement 

 of a very irritable organ like the brain, is calcu- 

 lated to produce. And if to these attributes we 

 add those of sagacity on the one hand, by which 

 many of them display a varied proportion of 

 knowledge, and the power of discriminating in a 

 certain degree the motives of those which sur- 

 round them ; and of contrivance in the other, as 

 evinced in many of their habitations, in their 

 receptacles for food, and in their repositories for 

 the future accommodation of their offspring ; we 

 shall at once see the distinctive line which has 

 been drawn between the two orders of living 

 substances, and what a wide field is open for 

 investigating more minutely the laws, economy, 

 and habits of a portion of the creation, so deeply 

 interesting in its varied attributes, so instructive 

 in the lessons which it inculcates, and so useful 

 and so comprehensive in all its practical appli- 

 cations. 



Having pointed out a few of the leading par- 

 ticulars by which the animal is to be distinguished 

 from the vegetable kingdom, and having endea- 

 voured to explain the grounds upon which the 

 former holds so high a place in the creation ; we 

 are naturally anxious to enquire into the structure 

 and functions of those organs by which so many 



